Centric 121.35023 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.35023

The Centric C-TEK Standard Disc Brake Rotor 121.35023 is engineered for reliable braking performance on select Mercedes-Benz models. Designed as a vented rotor with a smooth surface, it provides consistent stopping power and heat dissipation for vehicles such as the Mercedes-Benz 300SD, 400SEL, and S500.

• Vented disc brake rotor with curved vane style for improved cooling
• Nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.079 inches (27.400 mm)
• Overall height of 3.228 inches (82.000 mm) and outside diameter of 12.598 inches (320.000 mm)
• Floating disc mounting design with 5 lug holes and 4.409 inch (112.000 mm) bolt circle diameter
• Compatible with multiple Mercedes-Benz models including 300SD, 300SE, 400SEL, 500SEC, and S600

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for fit, form, and function. This product line focuses on providing solid and vented rotors with smooth surfaces to ensure consistent brake pad contact and reliable braking performance. The 121.35023 rotor is a vented type with curved vanes, which helps maintain optimal operating temperatures during braking.

Detailed Product Description

This Centric disc brake rotor features a vented design with curved vanes that enhance airflow and heat dissipation, reducing the risk of brake fade during extended use. The rotor has a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.079 inches (27.400 mm), indicating when replacement is necessary to maintain safe braking. Its overall height measures 3.228 inches (82.000 mm), and the outside diameter is 12.598 inches (320.000 mm), ensuring proper fitment on compatible Mercedes-Benz vehicles. The rotor mounts using a floating disc design with a 5-lug hole pattern and a bolt circle diameter of 4.409 inches (112.000 mm). This part does not include ABS tone rings or bearings.

Applications and Problem Solving

• Replacement for worn or warped rotors on Mercedes-Benz 300SD, 400SEL, and S500 models
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during heavy braking
• Restores proper rotor thickness to maintain braking efficiency and safety
• Compatible with vehicles requiring a vented rotor with curved vane design

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your specific Mercedes-Benz model before installation
• Ensure the rotor thickness is above the discard thickness limit to maintain safety
• Clean the rotor surface and hub mounting area to prevent uneven wear or noise
• Use proper torque specifications on lug nuts to avoid rotor warping
• Check brake pads for wear and replace if necessary when installing new rotors

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for durability and performance. While specific warranty details for part number 121.35023 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for warranty information related to this rotor.